Error message: "MATERIALZUSAMMENSETZUNG_UNGUELTIG" (Material composition invalid)
This error occurs when the material specification in the "Material composition" field is not valid, which would potentially put the items at risk of warning letters.
For example, a percentage value greater than 100 may have been specified here: 'The sum of the material proportions in the attribute Material composition does not add up to 100%.
To avoid this error, no incorrect material information may be transmitted to OTTO. The content of the "Material composition" field should be pre-validated to avoid later delays in live generation.
Source: Error and solution provided by OTTO